Home / 448,857.87-619,333.60-285,579.18

Finding the Fourth Proportional to 448,857.87, 619,333.60 and 285,579.18

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Solution

The fourth proportional to 448,857.87, 619,333.60 and 285,579.18 is: 394,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,857.87 : 619,333.60 = 285,579.18 : x
  2. Step 2: Convert to fraction form
    448,857.87/619,333.60 = 285,579.18/x
  3. Step 3: Cross multiply
    448,857.87x = 619,333.60 × 285,579.18
  4. Step 4: Simplify right side
    448,857.87x = 176,868,781,634.45
  5. Step 5: Solve for x
    x = 176,868,781,634.45/448,857.87
  6. Step 6: Final answer
    x = 394,041.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.